Trắc nghiệm: The seashore was much polluted because of the amount of waste left there. All this rubbish is killing fish and other marine life. | Gửi trắc nghiệm |
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Trắc nghiệm: The seashore was much polluted because of the amount of waste left there. All this rubbish is killing fish and other marine life. | Gửi trắc nghiệm |